Remove useless code in Position::pretty()

[stockfish] / src / position.cpp

diff --git a/src/position.cpp b/src/position.cpp
index 2d5119389b989c0719c1514dd330ad7ddbeeca81..23370ca3f73d4ed8fedbd14595c8b30af2b332b7 100644 (file)
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -25,7 +25,6 @@
 
 #include "bitcount.h"
 #include "movegen.h"
-#include "notation.h"
 #include "position.h"
 #include "psqtab.h"
 #include "rkiss.h"
@@ -430,17 +429,12 @@ const string Position::fen() const {
 }
 
 
-/// Position::pretty() returns an ASCII representation of the position to be
-/// printed to the standard output together with the move's san notation.
+/// Position::pretty() returns an ASCII representation of the position
 
-const string Position::pretty(Move m) const {
+const string Position::pretty() const {
 
   std::ostringstream ss;
 
-  if (m)
-      ss << "\nMove: " << (sideToMove == BLACK ? ".." : "")
-         << move_to_san(*const_cast<Position*>(this), m);
-
   ss << "\n +---+---+---+---+---+---+---+---+\n";
 
   for (Rank r = RANK_8; r >= RANK_1; --r)
@@ -457,14 +451,23 @@ const string Position::pretty(Move m) const {
   for (Bitboard b = checkers(); b; )
       ss << to_string(pop_lsb(&b)) << " ";
 
-  ss << "\nLegal moves: ";
-  for (MoveList<LEGAL> it(*this); *it; ++it)
-      ss << move_to_san(*const_cast<Position*>(this), *it) << " ";
-
   return ss.str();
 }
 
 
+/// Position::game_phase() calculates the game phase interpolating total non-pawn
+/// material between endgame and midgame limits.
+
+Phase Position::game_phase() const {
+
+  Value npm = st->npMaterial[WHITE] + st->npMaterial[BLACK];
+
+  npm = std::max(EndgameLimit, std::min(npm, MidgameLimit));
+
+  return Phase(((npm - EndgameLimit) * 128) / (MidgameLimit - EndgameLimit));
+}
+
+
 /// Position::check_blockers() returns a bitboard of all the pieces with color
 /// 'c' that are blocking check on the king with color 'kingColor'. A piece
 /// blocks a check if removing that piece from the board would result in a